Visual Inspection of Mechanical Connections
153379
4–3
This manual for use by qualified installers only
Visual Inspection of Mechanical Connections
To perform a visual inspection of the GT100 mechanical connections:
Visual Inspection of Electrical Connections
To perform a visual inspection of the GT100 electrical connections:
Corrective Action
Perform after initial inspection (if required):
1. Correct any necessary repairs pertaining to the previous inspection steps.
2. Replace the latches and close the doors of the Inverter Enclosure.
3. Ensure that the AC Disconnect and DC Disconnect Switches, as well as any
utility interconnect circuit breaker or main disconnect circuit breaker, are left
open.
1. Ensure that the AC and DC Disconnect Switches, as well as any utility
interconnect circuit breakers or main disconnect switches, are opened.
❐
2. Ensure all anchor bolts and any required seismic bracing is properly
tightened and in place.
❐
3. Remove the latches and open the doors of the AC and DC Interface and
inspect.
❐
4. Verify all wire conduit fittings and connections are properly tightened.
❐
1. Ensure that the AC Disconnect and DC disconnect switches, as well as any
utility interconnect circuit breakers or main disconnect switches, are
opened.
❐
2. Ensure all conductors and wiring connections interfacing with the GT100
are tightened to the correct torque value.
For specific torque values, see Table A-5 on page A–5 and Table A-6 on
page A–5.
❐
3. Verify the AC power conductors terminated at TB1-A, TB1-B, TB1-C,
and TB1-N within the AC Interface are terminated correctly and properly
sequenced.
❐
4. Verify DC power conductors terminated at either the optional Fused
Combiner (GTFC) or TB3, as well as TB4 and TB5 within the DC
Interface are terminated correctly and are properly polarized.
❐
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